-8-(-5)=
30-(-10)=
-2-(-4)=
-25+(-15)=
36+10=
-8+6=
-7+10=
-25+10=
-5-(+3)=
18+(-3)=
-20-30=
2
-15
15
40
-50
3
-2
-8
-3
-40
46
